Add support for using /dev/urandom to get random numbers on systems that support it.

git-svn-id: http://svn.digium.com/svn/asterisk/trunk@76296 f38db490-d61c-443f-a65b-d21fe96a405b

1 files changed, 35 insertions, 5 deletions

diff --git a/configure b/configure
index 17cf8779b..3856370bf 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.ac Revision: 74575 .
+# From configure.ac Revision: 75259 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.61.
 #
@@ -12127,11 +12127,13 @@ _ACEOF
 cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
-#include <stdio.h>
+#include <sys/types.h> /* for off_t */
+     #include <stdio.h>
 int
 main ()
 {
-return fseeko (stdin, 0, 0) && (fseeko) (stdin, 0, 0);
+int (*fp) (FILE *, off_t, int) = fseeko;
+     return fseeko (stdin, 0, 0) && fp (stdin, 0, 0);
   ;
   return 0;
 }
@@ -12171,11 +12173,13 @@ cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #define _LARGEFILE_SOURCE 1
-#include <stdio.h>
+#include <sys/types.h> /* for off_t */
+     #include <stdio.h>
 int
 main ()
 {
-return fseeko (stdin, 0, 0) && (fseeko) (stdin, 0, 0);
+int (*fp) (FILE *, off_t, int) = fseeko;
+     return fseeko (stdin, 0, 0) && fp (stdin, 0, 0);
   ;
   return 0;
 }
@@ -15110,6 +15114,32 @@ fi
 done
 
 
+{ echo "$as_me:$LINENO: checking for /dev/urandom" >&5
+echo $ECHO_N "checking for /dev/urandom... $ECHO_C" >&6; }
+if test "${ac_cv_file__dev_urandom+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  test "$cross_compiling" = yes &&
+  { { echo "$as_me:$LINENO: error: cannot check for file existence when cross compiling" >&5
+echo "$as_me: error: cannot check for file existence when cross compiling" >&2;}
+   { (exit 1); exit 1; }; }
+if test -r "/dev/urandom"; then
+  ac_cv_file__dev_urandom=yes
+else
+  ac_cv_file__dev_urandom=no
+fi
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_file__dev_urandom" >&5
+echo "${ECHO_T}$ac_cv_file__dev_urandom" >&6; }
+if test $ac_cv_file__dev_urandom = yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_DEV_URANDOM 1
+_ACEOF
+
+fi
+
+
 
     if test "x${PBX_PTHREAD_RWLOCK_INITIALIZER}" != "x1" -a "${USE_PTHREAD_RWLOCK_INITIALIZER}" != "no"; then
 	{ echo "$as_me:$LINENO: checking for PTHREAD_RWLOCK_INITIALIZER in pthread.h" >&5